Directly modulated laser combining with phase modulator is adopted to produce large chirped light, which can be compressed by DCF to generate the optical pulse.
该方案采用直调激光器配合相位调制器产生大啁啾并由DCF压窄输出光脉冲。
Quantum well laser diodes are of high modulation frequency response. They can be used as light sources and be directly modulated for high bit rate optical communications.
量子阱激光器具有良好的小信号调制频率响应，能作为高速光通信光源采用直接调制方式进行信号传输。
A new scheme for optimization of coarse wavelength-division-multiplexing (CWDM) system based on directly modulated lasers (DMLs) and non-zero dispersion shifted fibers (NZDSF) is proposed.
利用光通信系统设计平台，研究了一种基于直接调制激光器和非零色散位移光纤(NZDSF)的高速粗波分复用(CWDM)系统的优化方案。
Adopting this technique, the spectrum quality of modulated noise may be approached to the fullest extent of the directly amplified narrow white noise.
采用该技术使调制后的窄带噪声谱质量在最大程度上逼近直放式窄带白噪声。
If the realization of the ZFFT was based on the method of complex modulated signal or directly decomposed signal, a special equipment would be used or designed in other way.
若采用复调制法或直接抽取法等通用ZFFT法实现，一般要用专用设备或另作设计。
Tomotherapy MLC attached at serial accelerator directly, is easy to attach and detach, with rotating and moving of a therapy couch, it implement intensity modulated radiation therapy.
断层调强光栅直接外挂在各类加速器上，装拆方便，配合治疗床的旋转及移动，实现调强放疗。
Tomotherapy MLC attached at serial accelerator directly, is easy to attach and detach, with rotating and moving of a therapy couch, it implement intensity modulated radiation therapy.
断层调强光栅直接外挂在各类加速器上，装拆方便，配合治疗床的旋转及移动，实现调强放疗。
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